(Encyclopedia) prospecting, search for mineral deposits suitable for mining. Modern prospecting has replaced earlier methods based on chance or superstition (e.g., use of the divining rod) with…
Geological timescaleTriassic period: 250–200 million years agoJurassic period: 200–145 million years agoCretaceous period: 145–65 million years agoDinosaurs roamed the planet for about 165 million…
Faster Than a Speeding Light WaveTheories of the UniverseCracks in a Newtonian WorldFaster Than a Speeding Light WaveIt All Depends on Your PositionThe Relative Nature of Space and TimeGeological…
(Encyclopedia) McPhee, John Angus, 1931–, American journalist and nonfiction writer, b. Princeton, N.J., A.B. Princeton, 1953. He was an editor at Time magazine (1957–64) before becoming (1965) a…
Georges Louis Leclerc, Comte De Buffon 1707–1788Georges Cuvier 1769–1832Alexandre Brongniart 1770–1847William Buckland 1784–1856Gideon Mantell 1790–1852Mary Anning 1799–1847Richard Owen 1804–…
(Encyclopedia) Cenozoic eraCenozoic erasēnəzōˈĭk, sĕn– [key], last major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) lasting from 65 million years ago to the…
(Encyclopedia) Mawson, Sir Douglas, 1882–1958, Australian antarctic explorer and geologist, b. England. His first geographical expedition was to the New Hebrides Islands as a geologist in 1903. As a…
